Home / 12,896.72-19,335.17-6,229.81

Finding the Fourth Proportional to 12,896.72, 19,335.17 and 6,229.81

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Solution

The fourth proportional to 12,896.72, 19,335.17 and 6,229.81 is: 9,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.72 : 19,335.17 = 6,229.81 : x
  2. Step 2: Convert to fraction form
    12,896.72/19,335.17 = 6,229.81/x
  3. Step 3: Cross multiply
    12,896.72x = 19,335.17 × 6,229.81
  4. Step 4: Simplify right side
    12,896.72x = 120,454,475.16
  5. Step 5: Solve for x
    x = 120,454,475.16/12,896.72
  6. Step 6: Final answer
    x = 9,339.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.